{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "malkreide-zh-education-mcp",
  "component": "zh-education-mcp",
  "generated_at": "2026-09-21T07:10:03.900Z",
  "tracking_since": "2026-07-27",
  "counts": {
    "critical": 0,
    "security": 28,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0c2a7-18be-72d3-8f2e-970c06a6785f",
      "kind": "check.reverified",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_inconclusive",
      "to_code": "supplychain.malware_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-21",
      "occurred_at": "2026-09-21 06:28:45.668888+00",
      "observed_since": "2026-09-20",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_01a0c2a7-18be-72d3-8f2e-970c06a6785f"
    },
    {
      "id": "chg_01a0be24-590b-7799-881b-da550ca0ed79",
      "kind": "check.unverifiable",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_clean",
      "to_code": "supplychain.malware_inconclusive",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "vendor_no_verdict"
      },
      "occurred_on": "2026-09-20",
      "occurred_at": "2026-09-20 09:27:27.905832+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_01a0be24-590b-7799-881b-da550ca0ed79"
    },
    {
      "id": "chg_01a0bb41-8a7a-760c-80dc-766105e9a60c",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.stable",
      "to_code": "stability.sandbox_pending",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 20:00:29.753789+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Stability (pass → unverified)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_01a0bb41-8a7a-760c-80dc-766105e9a60c"
    },
    {
      "id": "chg_01a0bb41-8a7c-7cea-a9a1-ba34cb398262",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.sandbox_pending",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 20:00:29.753789+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_01a0bb41-8a7c-7cea-a9a1-ba34cb398262"
    },
    {
      "id": "chg_01a0bb41-8a7d-7794-a738-1d7f9798e041",
      "kind": "check.reverified",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_inconclusive",
      "to_code": "supplychain.malware_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 20:00:29.753789+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_01a0bb41-8a7d-7794-a738-1d7f9798e041"
    },
    {
      "id": "chg_01a0b3d5-89cb-7ef6-9d71-1d6c581b36d1",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.stable",
      "from_value": "0.97",
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 09:25:10.892002+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_01a0b3d5-89cb-7ef6-9d71-1d6c581b36d1"
    },
    {
      "id": "chg_01a0a46e-4fe2-7aa1-aed0-efa584db1845",
      "kind": "check.unverifiable",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_clean",
      "to_code": "supplychain.malware_inconclusive",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "vendor_no_verdict"
      },
      "occurred_on": "2026-09-15",
      "occurred_at": "2026-09-15 09:38:07.84915+00",
      "observed_since": "2026-09-14",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_01a0a46e-4fe2-7aa1-aed0-efa584db1845"
    },
    {
      "id": "chg_01a09ecc-e619-7b7a-ab00-2e8eb05d13c6",
      "kind": "check.reverified",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_inconclusive",
      "to_code": "supplychain.malware_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 07:23:43.248977+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_01a09ecc-e619-7b7a-ab00-2e8eb05d13c6"
    },
    {
      "id": "chg_01a08fc7-78e8-70f3-8660-d4f7c019328d",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.stable",
      "from_value": "0.97",
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 09:23:29.300214+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_01a08fc7-78e8-70f3-8660-d4f7c019328d"
    },
    {
      "id": "chg_01a06bb7-8304-7981-a4db-0a351334c6d8",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.stable",
      "from_value": "0.97",
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 09:19:43.587927+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_01a06bb7-8304-7981-a4db-0a351334c6d8"
    },
    {
      "id": "chg_01a03310-461e-71cb-a653-10495d8434bd",
      "kind": "check.unverifiable",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_clean",
      "to_code": "supplychain.malware_inconclusive",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "vendor_no_verdict"
      },
      "occurred_on": "2026-08-24",
      "occurred_at": "2026-08-24 09:18:19.509815+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_01a03310-461e-71cb-a653-10495d8434bd"
    },
    {
      "id": "chg_01a02d8c-3811-70b5-a89b-caf4d06f5bf5",
      "kind": "check.reverified",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_inconclusive",
      "to_code": "supplychain.malware_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-23",
      "occurred_at": "2026-08-23 07:35:59.130274+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_01a02d8c-3811-70b5-a89b-caf4d06f5bf5"
    },
    {
      "id": "chg_01a023a2-6620-77f4-9844-ea9e5b2ee03a",
      "kind": "check.unverifiable",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_clean",
      "to_code": "supplychain.malware_inconclusive",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "vendor_no_verdict"
      },
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 09:24:00.285233+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_01a023a2-6620-77f4-9844-ea9e5b2ee03a"
    },
    {
      "id": "chg_019ff9c3-bda1-79f8-bec1-aaea465b989c",
      "kind": "check.reverified",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_inconclusive",
      "to_code": "supplychain.malware_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-13",
      "occurred_at": "2026-08-13 06:16:22.169991+00",
      "observed_since": "2026-08-12",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_019ff9c3-bda1-79f8-bec1-aaea465b989c"
    },
    {
      "id": "chg_019ff4c2-793d-7b87-9f20-4b1a5267f5b5",
      "kind": "check.unverifiable",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_clean",
      "to_code": "supplychain.malware_inconclusive",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "vendor_no_verdict"
      },
      "occurred_on": "2026-08-12",
      "occurred_at": "2026-08-12 06:56:53.544295+00",
      "observed_since": "2026-08-11",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_019ff4c2-793d-7b87-9f20-4b1a5267f5b5"
    },
    {
      "id": "chg_019fe005-da62-7d41-aa51-7a041840bb46",
      "kind": "check.reverified",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_inconclusive",
      "to_code": "supplychain.malware_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-08",
      "occurred_at": "2026-08-08 06:18:27.765241+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_019fe005-da62-7d41-aa51-7a041840bb46"
    },
    {
      "id": "chg_019fdadc-a133-7d08-b4af-06f83d6f92c8",
      "kind": "check.unverifiable",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_clean",
      "to_code": "supplychain.malware_inconclusive",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "vendor_no_verdict"
      },
      "occurred_on": "2026-08-07",
      "occurred_at": "2026-08-07 06:15:20.073791+00",
      "observed_since": "2026-08-06",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_019fdadc-a133-7d08-b4af-06f83d6f92c8"
    },
    {
      "id": "chg_019fd5c6-4b47-7b9a-b535-7f9328ce07ba",
      "kind": "check.reverified",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_inconclusive",
      "to_code": "supplychain.malware_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-06",
      "occurred_at": "2026-08-06 06:32:50.191478+00",
      "observed_since": "2026-08-05",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_019fd5c6-4b47-7b9a-b535-7f9328ce07ba"
    },
    {
      "id": "chg_019fd5c6-4b48-7b25-ae0d-22bb74bdfd08",
      "kind": "check.reason",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.sandbox_failed",
      "to_code": "stability.insufficient_history",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-06",
      "occurred_at": "2026-08-06 06:32:50.191478+00",
      "observed_since": "2026-08-05",
      "source": "scan",
      "summary": "Stability (Stability not yet verified: not enough scan history yet (needs a 30-day window).)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_019fd5c6-4b48-7b25-ae0d-22bb74bdfd08"
    },
    {
      "id": "chg_019fd091-6558-7827-9a13-2b61fd2aa69d",
      "kind": "check.unverifiable",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_clean",
      "to_code": "supplychain.malware_inconclusive",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-05",
      "occurred_at": "2026-08-05 06:16:57.331345+00",
      "observed_since": "2026-08-04",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_019fd091-6558-7827-9a13-2b61fd2aa69d"
    },
    {
      "id": "chg_019fcb80-7295-7027-8a28-650b7138c7aa",
      "kind": "check.reverified",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_inconclusive",
      "to_code": "supplychain.malware_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-04",
      "occurred_at": "2026-08-04 06:40:20.613021+00",
      "observed_since": "2026-08-03",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_019fcb80-7295-7027-8a28-650b7138c7aa"
    },
    {
      "id": "chg_019fcb80-7296-71aa-92d2-e69cbb3d9379",
      "kind": "check.reverified",
      "family": "vulnerabilities",
      "subject_kind": "check",
      "subject": "vulnerabilities",
      "subject_child": "",
      "from_code": "cve.inconclusive",
      "to_code": "cve.none",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "seen": "35",
        "assessed": "36",
        "resolved": "35",
        "tree_source": "registry",
        "tree_status": "resolved"
      },
      "occurred_on": "2026-08-04",
      "occurred_at": "2026-08-04 06:40:20.613021+00",
      "observed_since": "2026-08-03",
      "source": "scan",
      "summary": "Known CVEs (unverified → pass)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_019fcb80-7296-71aa-92d2-e69cbb3d9379"
    },
    {
      "id": "chg_019fcb80-7296-77b0-963d-51a735b25a17",
      "kind": "check.reason",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.sandbox_pending",
      "to_code": "stability.sandbox_failed",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "status": "unreachable"
      },
      "occurred_on": "2026-08-04",
      "occurred_at": "2026-08-04 06:40:20.613021+00",
      "observed_since": "2026-08-03",
      "source": "scan",
      "summary": "Stability (Stability not yet verified: our sandbox run of this package did not complete, so we have no schema to compare.)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_019fcb80-7296-77b0-963d-51a735b25a17"
    },
    {
      "id": "chg_019fc4d5-4ec1-7986-a3d7-9653b86af5fb",
      "kind": "check.reverified",
      "family": "build-provenance",
      "subject_kind": "check",
      "subject": "build-provenance",
      "subject_child": "",
      "from_code": "provenance.inconclusive",
      "to_code": "provenance.none",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 23:35:41.482413+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Provenance (unverified → fail)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_019fc4d5-4ec1-7986-a3d7-9653b86af5fb"
    },
    {
      "id": "chg_019fc4d5-4ec2-7f2e-ae96-53573273967f",
      "kind": "check.reverified",
      "family": "install-scripts",
      "subject_kind": "check",
      "subject": "install-scripts",
      "subject_child": "",
      "from_code": "installscript.inconclusive",
      "to_code": "installscript.allowlisted",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "hook": "build_backend",
        "tier": "allowlisted",
        "tool": "hatchling.build",
        "hooks": "build_backend"
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 23:35:41.482413+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Install scripts (unverified → pass)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_019fc4d5-4ec2-7f2e-ae96-53573273967f"
    },
    {
      "id": "chg_019fc4d5-4ec4-7236-89d5-ff143fa45b69",
      "kind": "installscript.hooks_changed",
      "family": "install-scripts",
      "subject_kind": "package",
      "subject": "hooks",
      "subject_child": "",
      "from_code": "installscript.inconclusive",
      "to_code": "installscript.allowlisted",
      "from_value": null,
      "to_value": "build_backend",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "build_backend",
        "from": ""
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 23:35:41.482413+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "The scripts that run when this package is installed changed (build_backend)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_019fc4d5-4ec4-7236-89d5-ff143fa45b69"
    },
    {
      "id": "chg_019fba00-f131-70db-9fe8-e6dbafae14e5",
      "kind": "check.unverifiable",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_clean",
      "to_code": "supplychain.malware_inconclusive",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-07-31",
      "occurred_at": "2026-07-31 21:07:31.74803+00",
      "observed_since": "2026-07-30",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_019fba00-f131-70db-9fe8-e6dbafae14e5"
    },
    {
      "id": "chg_019fba00-f131-7822-8b85-f494e065a374",
      "kind": "check.appeared",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": null,
      "to_code": "stability.sandbox_pending",
      "from_value": null,
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-07-31",
      "occurred_at": "2026-07-31 21:07:31.74803+00",
      "observed_since": "2026-07-30",
      "source": "scan",
      "summary": "First check of Stability (unverified)",
      "link": "https://verifymcp.io/servers/malkreide-zh-education-mcp/zh-education-mcp#chg-chg_019fba00-f131-7822-8b85-f494e065a374"
    }
  ],
  "days": [
    {
      "date": "2026-09-21",
      "total": 80,
      "delta": 16,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-20",
      "total": 64,
      "delta": -15,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-19",
      "total": 79,
      "delta": 12,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 9
    },
    {
      "date": "2026-09-18",
      "total": 67,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-17",
      "total": 67,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 93,
        "to": 97,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 28,
          "to_days": 29
        },
        "partial": false,
        "compared_to": "2026-09-16",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 93 to 97. That category is still filling its 30-day observation window: 28 days of observed history at the previous scan, 29 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-15",
      "total": 66,
      "delta": -14,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-14",
      "total": 80,
      "delta": 15,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-13",
      "total": 65,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 80,
        "to": 83,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 24,
          "to_days": 25
        },
        "partial": false,
        "compared_to": "2026-09-12",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 80 to 83. That category is still filling its 30-day observation window: 24 days of observed history at the previous scan, 25 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    }
  ]
}